| kik | Kickabout Settings |
| kin | The Kinemorphic 3D Screen Saver Settings Data |
| klc | Windows MKLC Keyboard Layout |
| kp04 | KPT Presets Data |
| kpf | KARMA Triton Preferences Data |
| ksr | Kiwi Syslog Rule |
| ktc | Attachmate KEA! Configuration |
| ktw | KeyTweak Configuration |
| kuip | Kingsoft Office Personalization |
| kvm | KVM Configuration Data |
| kx | kX Project Mixer Settings |
| kxc | KEA! X Server Settings Data |
| ky3 | RAC6181 Keypad Configuration |
| kyb | Keyboard Layout |
| kys | Adobe Photoshop Keyboard Shortcut Settings |
| las | Light-O-Rama Animation Sequence |
| launch | Zend Studio Debugger Configuration Data |
| lbf | WaterGEMS LoadBuilder Configuration Data |
| lbu | Cloaked Affiliate Link Builder Settings |
| lcc | Capture One Lens Cast Correction |
| lcc | Light-O-Rama Channel Configuration |
| lct | Oracle Generic Loader Control File |
| ldr | WindLDR Ladder Diagram |
| ldt | Belkin Loadout Manager Data |
| lfmrc | Last File Manager Runtime Configuration Data |
| lfo | Alchemy Low Frequency Oscillator Presets |
| lfo | Camel Audio Alchemy Preset |
| lgp | Logitech G15 Gaming Keyboard Profile Data |
| lily | PCSX2 LilyPad Configuration |
| lir | ADI Ocelot Configuration |
